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Principal stress calculation program and principal stress calculation method
Principal stress calculation program and principal stress calculation method
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机译：主应力计算方案和主应力计算方法
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摘要
PROBLEM TO BE SOLVED: To solve a problem of a prior art, that is, a simple measurement method as compared with the conventional method for reasonably realizing measurement at multiple points, and to provide spring water. It is to provide a principal stress calculation program and a principal stress calculation method that enable calculation of ground stress based on a measurement method that can be carried out under a wide range of conditions such that it can be adopted even in many cases. SOLUTION: The principal stress calculation program of the present invention is a program for causing a computer to execute a function of calculating the principal stress of the ground based on the test results of N times of loading test, and is a first sensitivity coefficient calculation process. It is provided with a function of causing a computer to execute a second sensitivity coefficient calculation process, a provisional principal stress calculation process, a theoretical loading initial pressure calculation process, a square sum calculation process, and a principal stress determination process. Of these, the principal stress determination process is a process of determining the maximum principal stress σ 1 and the minimum principal stress σ 2 in the case where the sum of squares obtained while changing the principal stress direction α j is minimized. [Selection diagram] Fig. 3
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